.SUFFIXES: .c .S .o .os .oS .so .a .s .i
+PHONY := FORCE
+
+.PHONY: dummy $(PHONY) subdirs \
+ all check test $(clean_targets) \
+ config dist menuconfig oldconfig release \
+ utils help
+
# order is important, the stripping uses STRIP_FLAGS for lib-so, but not for lib-a
ifeq ($(HAVE_SHARED),y)
.LIBPATTERNS: "lib%.so"
libs: $(lib-so-y) $(lib-a-y)
-$(lib-so-y): $(interp)
+$(lib-so-y): | $(interp)
else
.LIBPATTERNS: "lib%.a"
ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y)
libs: $(lib-gdb-y)
endif
libs: $(lib-a-y)
+$(lib-a-y): | $(top_builddir)lib
endif
objs: all_objs
-shared_objs = $(ldso-y) $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) $(libdl-so-y)
-shared_objs += $(libcrypt-so-y) $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) $(libpthread-so-y) $(libpthread-nonshared-y)
-shared_objs += $(libthread_db-so-y) $(libresolv-so-y) $(librt-so-y) $(libutil-so-y)
-ar_objs = $(libc-y) $(libc-static-y) $(libdl-a-y) $(libcrypt-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y)
-ar_objs += $(libpthread-a-y) $(libthread_db-a-y) $(libresolv-a-y) $(librt-a-y) $(libutil-a-y)
+# apply unconditional per-directory flags
+define add_IS_IN_lib
+ifneq ($(strip $(2)),)
+__add_IS_IN_lib := $(subst $(top_builddir),,$(2))
+$$(__add_IS_IN_lib): CFLAGS-for-library-members:=$(CFLAGS-$(1)) -DIN_LIB=$(word 1,$(subst /, ,$(1)))
+endif
+endef
+$(eval $(call add_IS_IN_lib,rtld,$(ldso-y)))
+$(eval $(call add_IS_IN_lib,libc,$(libc-y) $(libc-static-y) $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y)))
+$(eval $(call add_IS_IN_lib,libcrypt,$(libcrypt-a-y) $(libcrypt-so-y)))
+$(eval $(call add_IS_IN_lib,libdl,$(libdl-a-y) $(libdl-so-y)))
+$(eval $(call add_IS_IN_lib,libintl,$(libintl-a-y) $(libintl-so-y)))
+$(eval $(call add_IS_IN_lib,libm,$(libm-a-y) $(libm-so-y)))
+$(eval $(call add_IS_IN_lib,libnsl,$(libnsl-a-y) $(libnsl-so-y)))
+$(eval $(call add_IS_IN_lib,libpthread/$(PTNAME),$(libpthread-a-y) $(libpthread-so-y) $(libpthread-nonshared-y)))
+$(eval $(call add_IS_IN_lib,libpthread/$(PTNAME)_db,$(libthread_db-a-y) $(libthread_db-so-y)))
+$(eval $(call add_IS_IN_lib,libresolv,$(libresolv-a-y) $(libresolv-so-y)))
+$(eval $(call add_IS_IN_lib,librt,$(librt-a-y) $(librt-so-y)))
+$(eval $(call add_IS_IN_lib,libutil,$(libutil-a-y) $(libutil-so-y)))
+$(eval $(call add_IS_IN_lib,libubacktrace,$(libubacktrace-a-y) $(libubacktrace-so-y)))
+
+shared_objs = $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) \
+ $(libcrypt-so-y) $(libdl-so-y) \
+ $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) \
+ $(libpthread-so-y) $(libpthread-nonshared-y) $(libthread_db-so-y) \
+ $(libresolv-so-y) $(librt-so-y) \
+ $(ldso-y) \
+ $(libutil-so-y) $(libubacktrace-so-y)
+
+ar_objs = $(libc-y) $(libc-static-y) $(libcrypt-a-y) \
+ $(libdl-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y) \
+ $(libpthread-a-y) $(libthread_db-a-y) \
+ $(libresolv-a-y) $(librt-a-y) $(libutil-a-y) $(libubacktrace-a-y)
ifeq ($(DOPIC),y)
ar_objs := $(ar_objs:.o=.os)
endif
+flat_objs = $(lib-gdb-y)
ifeq ($(HAVE_SHARED),y)
all_objs: $(sort $(shared_objs) $(ar_objs))
endif
$(shared_objs) $(ar_objs): | $(sub_headers)
+define objects_with_syms
+ $(foreach o,$(2),$(if $(shell $(NM) $(1) $(o) | grep .),$(o)))
+endef
+
headers-y: $(headers-y)
@true
MAKEFLAGS += --no-print-directory
SHELL_SET_X := set +x
+define rel_srcdir
+ $(shell $(CONFIG_SHELL) $(top_srcdir)/extra/scripts/relative_path.sh $(@D) .)
+endef
ifneq ($(findstring s,$(MAKEFLAGS)),)
export MAKE_IS_SILENT := y
SECHO := -@false
export MAKE_IS_SILENT := n
SECHO := @echo
ifneq ($(V)$(VERBOSE),)
+ifeq ($(V),1)
+DISP := bri# brief, like pur but with defines
+Q := @
+else
SHELL_SET_X := set -x
DISP := ver
-Q :=
+Q :=
+endif
else
DISP := pur
Q := @
endif
endif
-show_objs = $(subst ../,,$@)
+show_objs = $(subst $(top_builddir),,$(subst ../,,$@))
+define show_defs
+ $(filter -D%,$(1))
+endef
+define show_ldflags
+ $(subst $(comma), ,$(subst -Wl$(comma),,$(filter -Wl%,$(1))))
+endef
pur_disp_compile.c = echo " "CC $(show_objs)
+pur_disp_compile.i = echo " "CPP $(show_objs)
+pur_disp_compile.s = echo " "CC-S $(show_objs)
+pur_disp_compile.u = echo " "CC $(show_objs)
pur_disp_compile.S = echo " "AS $(show_objs)
pur_disp_compile.m = $(pur_disp_compile.c)
+pur_disp_compile.mi= echo " "CPP-m $(show_objs)
pur_disp_compile-m = echo " "CC-m $(show_objs)
+pur_disp_hcompile.u= echo " "HOSTCC $(show_objs)
+pur_disp_hcompile.o= echo " "HOSTCC-o $(show_objs)
pur_disp_strip = echo " "STRIP $(STRIP_FLAGS) $@
pur_disp_t_strip = echo " "STRIP $(STRIP_FLAGS) $@
pur_disp_ar = echo " "AR $(ARFLAGS) $@
pur_disp_ld = echo " "LD $(1)
+pur_disp_ln = echo " "LN $(show_objs)
+pur_disp_mkdir = echo " "MKDIR $(show_objs)
+pur_disp_gen = echo " "GEN $(show_objs)
+pur_disp_install = echo " "INSTALL $(1)
+pur_disp_unifdef = echo " "UNIFDEF $(show_objs)
+pur_disp_rm = echo " "CLEAN $(subst CLEAN_,,$(patsubst HEADERCLEAN_%,include \(%\),$@))
sil_disp_compile.c = true
+sil_disp_compile.i = true
+sil_disp_compile.s = true
+sil_disp_compile.u = true
sil_disp_compile.S = true
sil_disp_compile.m = true
+sil_disp_compile.mi= true
sil_disp_compile-m = true
+sil_disp_hcompile.u= true
+sil_disp_hcompile.o= true
sil_disp_strip = true
sil_disp_t_strip = true
sil_disp_ar = true
sil_disp_ld = true
-
-ver_disp_compile.c = echo $(cmd_compile.c)
-ver_disp_compile.S = echo $(cmd_compile.S)
-ver_disp_compile.m = echo $(cmd_compile.m)
-ver_disp_compile-m = echo $(cmd_compile-m)
-ver_disp_strip = echo $(cmd_strip)
-ver_disp_t_strip = echo $(cmd_t_strip)
-ver_disp_ar = echo $(cmd_ar)
-ver_disp_ld =
+sil_disp_ln = true
+sil_disp_mkdir = true
+sil_disp_gen = true
+sil_disp_install = true
+sil_disp_unifdef = true
+sil_disp_rm = true
+
+bri_disp_compile.c = $(pur_disp_compile.c) $(call show_defs,$(cmd_compile.c))
+bri_disp_compile.i = $(pur_disp_compile.i) $(call show_defs,$(cmd_compile.i))
+bri_disp_compile.s = $(pur_disp_compile.s) $(call show_defs,$(cmd_compile.s))
+bri_disp_compile.u = $(pur_disp_compile.u) $(call show_defs,$(cmd_compile.u))
+bri_disp_compile.S = $(pur_disp_compile.S) $(call show_defs,$(cmd_compile.S))
+bri_disp_compile.m = $(pur_disp_compile.m) $(call show_defs,$(cmd_compile.m))
+bri_disp_compile.mi = $(pur_disp_compile.mi) $(call show_defs,$(cmd_compile.mi))
+bri_disp_compile-m = $(pur_disp_compile-m) $(call show_defs,$(cmd_compile-m))
+bri_disp_hcompile.u = $(pur_disp_hcompile.u) $(call show_defs,$(cmd_hcompile.u))
+bri_disp_hcompile.o = $(pur_disp_hcompile.o) $(call show_defs,$(cmd_hcompile.o))
+bri_disp_strip = $(pur_disp_strip)
+bri_disp_t_strip = $(pur_disp_t_strip)
+bri_disp_ar = $(pur_disp_ar)
+bri_disp_ld = $(pur_disp_ld) $(call show_ldflags,$(cmd_ld))
+bri_disp_ln = $(pur_disp_ln)
+bri_disp_mkdir = $(pur_disp_mkdir)
+bri_disp_gen = $(pur_disp_gen)
+bri_disp_install = $(pur_disp_install)
+bri_disp_unifdef = $(pur_disp_unifdef)
+bri_disp_rm = $(pur_disp_rm)
+
+esc=$(subst ','\'',$(1))
+# ')
+ver_disp_compile.c = echo '$(call esc,$(cmd_compile.c))'
+ver_disp_compile.i = echo '$(call esc,$(cmd_compile.i))'
+ver_disp_compile.s = echo '$(call esc,$(cmd_compile.s))'
+ver_disp_compile.u = echo '$(call esc,$(cmd_compile.u))'
+ver_disp_compile.S = echo '$(call esc,$(cmd_compile.S))'
+ver_disp_compile.m = echo '$(call esc,$(cmd_compile.m))'
+ver_disp_compile.mi= echo '$(call esc,$(cmd_compile.mi))'
+ver_disp_compile-m = echo '$(call esc,$(cmd_compile-m))'
+ver_disp_hcompile.u= echo '$(call esc,$(cmd_hcompile.u))'
+ver_disp_hcompile.o= echo '$(call esc,$(cmd_hcompile.o))'
+ver_disp_strip = echo '$(call esc,$(cmd_strip))'
+ver_disp_t_strip = echo '$(call esc,$(cmd_t_strip))'
+ver_disp_ar = echo '$(call esc,$(cmd_ar))'
+ver_disp_ld =
+ver_disp_ln =
+ver_disp_mkdir =
+ver_disp_gen =
+ver_disp_install =
+ver_disp_unifdef = echo '$(call esc,$(cmd_unifdef))'
+ver_disp_rm =
disp_compile.c = $($(DISP)_disp_compile.c)
+disp_compile.i = $($(DISP)_disp_compile.i)
+disp_compile.s = $($(DISP)_disp_compile.s)
+disp_compile.u = $($(DISP)_disp_compile.u)
disp_compile.S = $($(DISP)_disp_compile.S)
disp_compile.m = $($(DISP)_disp_compile.m)
+disp_compile.mi= $($(DISP)_disp_compile.mi)
disp_compile-m = $($(DISP)_disp_compile-m)
+disp_hcompile.u= $($(DISP)_disp_hcompile.u)
+disp_hcompile.o= $($(DISP)_disp_hcompile.o)
disp_strip = $($(DISP)_disp_strip)
disp_t_strip = $($(DISP)_disp_t_strip)
disp_ar = $($(DISP)_disp_ar)
disp_ld = $($(DISP)_disp_ld)
-
-cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(filter-out $(CFLAGS-OMIT-$(notdir $<)),$(CFLAGS-$(notdir $(^D)))) $(CFLAGS-$(subst $(top_srcdir),,$(dir $<))) $(CFLAGS-$(notdir $<)) $(CFLAGS-$(notdir $@))
-cmd_compile.S = $(cmd_compile.c) -D__ASSEMBLER__ $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@))
+disp_ln = $($(DISP)_disp_ln)
+disp_mkdir = $($(DISP)_disp_mkdir)
+disp_gen = $($(DISP)_disp_gen)
+disp_install = $($(DISP)_disp_install)
+disp_unifdef = $($(DISP)_disp_unifdef)
+disp_rm = $($(DISP)_disp_rm)
+
+any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
+
+# ../foo/bar/baz.ext -> foo_bar_baz.ext
+variablify = $(subst /,_,$(subst $(top_builddir),,$(1)))
+# strip the top_builddir off everything to make the *string* idempotent for -C
+dirify = $(subst $(top_builddir),,$(patsubst -L$(top_builddir)%,-L%,$(patsubst -I$(top_builddir)%,-I%,$(1))))
+
+# True if not identical. Neither order nor whitespace nor identical flags
+# matter.
+compare_flags = \
+ $(strip $(filter-out $(call dirify,$(cmd_$(call variablify,$(1)))), \
+ $(call dirify,$(cmd_$(call variablify,$(@))))) \
+ $(filter-out $(call dirify,$(cmd_$(call variablify,$(@)))), \
+ $(call dirify,$(cmd_$(call variablify,$(1))))))
+
+# Rebuild if any prerequisite, the used CC or flags changed.
+# Previously used flags are stored in the corresponding .%.dep files
+maybe_exec = \
+ $(if $(strip $(compare_flags) $(any-prereq)), \
+ @set -e; \
+ $(disp_$(1)); \
+ $(cmd_$(1)); \
+ echo 'cmd_$(call variablify,$@) := $(call dirify,$(cmd_$(call variablify,$1)))' >> $(dir $@).$(notdir $@).dep)
+
+# collect flags of domulti prereqs
+#collect_multi_flags = $(CFLAGS-$(notdir $(d))) $(CFLAGS-$(notdir $(patsubst %/,%,$(dir $(d)))))
+collect_multi_flags = $(CFLAGS-$(notdir $(patsubst %/,%,$(dir $(d)))))
+
+#sub_srcdir = $(word 1,$(filter-out lib extra locale libpthread,$(wordlist 1,2,$(subst /, ,$(subst $(top_srcdir),,$(dir $<))))))
+
+CFLAGS_gen.dep = -MT $@ -MD -MP -MF $(dir $@).$(notdir $@).dep
+
+cmd_compile.c = $(CC) -c $< -o $@ \
+ $(filter-out $(CFLAGS-OMIT-$(notdir $<)), \
+ $(CFLAGS) \
+ $(CFLAGS-for-library-members) \
+ $(CFLAGS-$(suffix $@)) \
+ $(CFLAGS-y-$(subst $(top_srcdir),,$(<D))) \
+ $(CFLAGS-$(notdir $<)) \
+ $(CFLAGS-$(notdir $@)) \
+ ) \
+ $(CFLAGS_gen.dep)
+cmd_compile.i = $(cmd_compile.c:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS)
+cmd_compile.s = $(cmd_compile.c:-c=-S)
+cmd_compile.u = $(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@)) $(CFLAGS_gen.dep)
+cmd_compile.S = $(filter-out -std=%, $(cmd_compile.c)) -D__ASSEMBLER__ $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@))
cmd_compile.m = $(cmd_compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
-cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@))
+cmd_compile.mi= $(cmd_compile.m:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS)
+
+cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@)) $(sort $(foreach d,$(^:$(top_srcdir)=),$(collect_multi_flags)))
cmd_strip = $(STRIPTOOL) $(STRIP_FLAGS) $^
cmd_t_strip = $(STRIPTOOL) $(STRIP_FLAGS) $@
-cmd_ar = $(AR) $(ARFLAGS) $@ $^
-
-compile.c = @$(disp_compile.c) ; $(cmd_compile.c)
-compile.i = $(cmd_compile.c:-c=-E -dD)
-compile.s = $(cmd_compile.c:-c=-S)
-compile.S = @$(disp_compile.S) ; $(cmd_compile.S)
-compile.m = @$(disp_compile.m) ; $(cmd_compile.m)
-compile-m = @$(disp_compile-m) ; $(cmd_compile-m)
+cmd_ar = $(AR) $(ARFLAGS) $@ $(call objects_with_syms,,$^)
+
+define do_ln
+ @$(disp_ln)
+ $(Q)$(LN) -fs
+endef
+
+define do_mkdir
+ @$(disp_mkdir)
+ $(Q)$(INSTALL) -d $@
+endef
+
+define do_rm
+ @$(disp_rm)
+ $(Q)$(RM)
+endef
+
+define do_awk
+ @$(disp_gen)
+ $(Q)$(AWK) -f
+endef
+
+define do_sed
+ @$(disp_gen)
+ $(Q)$(SED)
+endef
+
+compile.c = @$(call maybe_exec,compile.c)
+compile.i = $(call maybe_exec,compile.i)
+compile.s = $(call maybe_exec,compile.s)
+compile.S = @$(call maybe_exec,compile.S)
+compile.m = @$(call maybe_exec,compile.m)
+compile.mi= $(call maybe_exec,compile.mi)
+compile-m = @$(disp_compile-m) ; $(cmd_compile-m) && $(cmd_t_strip)
do_strip = @$(disp_strip) ; $(cmd_strip)
do_t_strip= @$(disp_t_strip) ; $(cmd_t_strip)
-do_ar = @$(disp_ar) ; $(cmd_ar)
+do_unifdef= @$(disp_unifdef) ; $(cmd_unifdef)
+hcompile.u= @$(disp_hcompile.u); $(cmd_hcompile.u)
+hcompile.o= @$(disp_hcompile.o); $(cmd_hcompile.o)
+define do_ar
+ @$(disp_ar) ; $(cmd_ar)
+ @$(do_t_strip)
+endef
define compile.u
- @$(disp_compile.c)
- $(Q)$(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@))
- @$(disp_strip)
- $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $@
+ @$(disp_compile.u) ; $(cmd_compile.u)
+ @$(disp_t_strip)
+endef
+cmd_hcompile.u = $(HOSTCC) $(filter-out $(PHONY),$^) $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
+cmd_hcompile.o = $(HOSTCC) $(filter-out $(PHONY),$<) $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
+
+define create-lds
+ $(Q)$(RM) $@.lds
+ $(Q)$(CC) -nostdlib -nostartfiles -shared -Wl,-z,combreloc \
+ -Wl,-z,relro -Wl,--hash-style=gnu -Wl,-z,defs \
+ -Wl,--verbose 2>&1 | LC_ALL=C \
+ $(SED) -e '/^=========/,/^=========/!d;/^=========/d' \
+ -e 's/\. = .* + SIZEOF_HEADERS;/& $(SYMBOL_PREFIX)_begin = . - SIZEOF_HEADERS;/' > $@.lds
endef
-hcompile.u = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
-hcompile.o = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
define link.so
- $(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
@$(disp_ld)
- $(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
- $(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
+ $(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(LDFLAGS-y-$(@F)) \
+ -Wl,-soname=$(notdir $@).$(2) \
+ $(CFLAG_-nostdlib) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
-Wl,--whole-archive $(firstword $^) -Wl,--no-whole-archive \
$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
$(Q)$(LN) -sf $(1) $@.$(2)
# This is so far only used for libc, for which we want to link the entire
# libgcc into the shared object.
define link-flat.so
- $(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $(1) $@
@$(disp_ld)
- $(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(NOSTDLIB_CFLAGS) -o $(1) \
+ $(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(CFLAG_-nostdlib) -o $(1) \
-Wl,-elf2flt -Wl,-shared-lib-id,$(2) $(top_builddir)lib/Scrt1.o \
$(top_builddir)/lib/crti.o -Wl,--whole-archive $(firstword $^) \
$(LIBGCC) -Wl,--no-whole-archive $(LIBS-$(notdir $@)) $(LIBGCC) \
endef
define linkm.so
- $(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
+ $(do_strip)
@$(disp_ld)
$(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
- $(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) $^ \
+ $(CFLAG_-nostdlib) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
+ $^ \
$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
$(Q)$(LN) -sf $(1) $@.$(2)
$(Q)$(LN) -sf $(1) $@
CFLAGS-.os+=$(PICFLAG)
CFLAGS-.oS+=$(PICFLAG) -DSHARED
-%.o: %.c ; $(compile.c)
-%.os: %.c ; $(compile.c)
-%.oS: %.c ; $(compile.c)
-%.o: %.S ; $(compile.S)
-%.os: %.S ; $(compile.S)
-%.oS: %.S ; $(compile.S)
-%.o: %.s ; $(compile.S)
-%.os: %.s ; $(compile.S)
-%.oS: %.s ; $(compile.S)
-%.i: %.c ; $(compile.i)
-%.i: %.S ; $(compile.i)
-%.s: %.c ; $(compile.s)
-%.s: %.S ; $(compile.s)
-
-$(top_builddir)lib/interp.c: | $(sub_headers)
- $(Q)$(INSTALL) -d $(dir $@)
- $(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@
- $(Q)echo "#include <features.h>" >> $@
- $(Q)echo "const char __dl_ldso__[] __attribute__ ((section " \
- "(\".interp\"))) =\""$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)"\";" >> $@
-
-$(interp): $(top_builddir)lib/interp.c
+$(top_builddir)%.o: $(top_srcdir)%.c FORCE ; $(compile.c)
+$(top_builddir)%.os: $(top_srcdir)%.c FORCE | pregen; $(compile.c)
+$(top_builddir)%.oS: $(top_srcdir)%.c FORCE | pregen; $(compile.c)
+$(top_builddir)%.o: $(top_srcdir)%.S FORCE ; $(compile.S)
+$(top_builddir)%.os: $(top_srcdir)%.S FORCE | pregen; $(compile.S)
+$(top_builddir)%.oS: $(top_srcdir)%.S FORCE | pregen; $(compile.S)
+$(top_builddir)%.o: $(top_srcdir)%.s FORCE ; $(compile.S)
+$(top_builddir)%.os: $(top_srcdir)%.s FORCE ; $(compile.S)
+$(top_builddir)%.oS: $(top_srcdir)%.s FORCE | pregen; $(compile.S)
+$(top_builddir)%.i: $(top_srcdir)%.c FORCE | pregen; $(compile.i)
+$(top_builddir)%.i: $(top_srcdir)%.S FORCE | pregen; $(compile.i)
+$(top_builddir)%.s: $(top_srcdir)%.c FORCE | pregen; $(compile.s)
+$(top_builddir)%.s: $(top_srcdir)%.S FORCE | pregen; $(compile.s)
+$(top_builddir)%.dep:
+
+$(top_builddir)lib/interp.c: | $(top_builddir)lib
+ $(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@.tmp
+ $(Q)echo "#include <features.h>" >> $@.tmp
+ $(Q)echo "const char __dl_ldso__[] attribute_hidden __attribute__ ((weak)) __attribute__ ((section " \
+ "(\".interp\"))) =\""$(RUNTIME_PREFIX)$(MULTILIB_DIR)/$(UCLIBC_LDSO)"\";" >> $@.tmp
+ $(Q)$(SED) -i -e 's://:/:g' $@.tmp
+ $(Q)mv $@.tmp $@
+
+$(interp): $(top_builddir)lib/interp.c | $(sub_headers)
$(compile.c)
$(Q)$(STRIPTOOL) -x -R .note -R .comment $@
$(ldso):
- @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
-
+ $(Q)cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(ABI_VERSION),%,$(notdir $@))
$(libc):
- @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
-
-$(headers_dep):
- $(Q)cd $(top_builddir); $(MAKE) headers
+ $(Q)cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(ABI_VERSION),%,$(notdir $@))
CRT := crt1
ASFLAGS-$(CRT).o := -DL_$(CRT)
ASFLAGS-S$(CRT).o := $(PIEFLAG) -DL_S$(CRT)
$(CRTS): $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
- $(Q)$(INSTALL) -d $(dir $@)
$(compile.S)
$(Q)$(STRIPTOOL) -x -R .note -R .comment $@
ifeq ($(UCLIBC_FORMAT_FDPIC_ELF),y)
CRTRELOC=$(top_builddir)lib/crtreloc.o
$(CRTRELOC): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.c
- $(Q)$(INSTALL) -d $(dir $@)
$(compile.c)
endif
ifneq ($(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c),)
CFLAGS-initfini.s := -S -g0 $(PICFLAG) -fno-inline-functions -finhibit-size-directive
-$(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c
+$(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c | $(top_builddir)lib
$(compile.c)
-$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s
+$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s | $(top_builddir)lib
$(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp
$(Q)mv $@.tmp $@
$(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h
$(Q)sed -n -e '1,/@HEADER_ENDS/p' \
- -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
- -e '/@TRAILER_BEGINS/,$$p' $< > $@
+ -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
+ -e '/@TRAILER_BEGINS/,$$p' $< > $@
$(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s
$(Q)sed -n -e '1,/@HEADER_ENDS/p' \
- -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
- -e '/@TRAILER_BEGINS/,$$p' $< > $@
+ -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
+ -e '/@TRAILER_BEGINS/,$$p' $< > $@
$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_builddir)lib/%.S
- $(Q)$(INSTALL) -d $(dir $@)
$(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
else
$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S
- $(Q)$(INSTALL) -d $(dir $@)
$(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
endif
CRTS_COMPAT :=
#endif
-$(crt-y): $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC)
+startfiles = $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC)
+$(crt-y): $(startfiles)
$(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC): | headers
+$(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) $(LINK_FLAT_CRTS) $(SHARED_START_FILES) $(SHARED_END_FILES) : | $(top_builddir)lib
$(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y)
- $(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@
- $(do_strip)
$(do_ar)
$(top_builddir)lib/libpthread_nonshared.a: $(libpthread-nonshared-y)
- $(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@
- $(do_strip)
$(do_ar)
-.PHONY: dummy create
+files.dep := $(libc-a-y) $(libc-so-y) $(libc-nonshared-y) \
+ $(libm-a-y) $(libm-so-y) \
+ $(libpthread-a-y) $(libpthread-so-y) $(libpthread-nonshared-y) \
+ $(libthread_db-a-y) $(libthread_db-so-y) $(libpthread-generated-y) \
+ $(START_FILE-libpthread.so) $(END_FILE-libpthread.so) \
+ $(PTHREAD_INITFINI:.c=.s) \
+ $(librt-a-y) $(librt-so-y) $(libresolv-a-y) $(libresolv-so-y) \
+ $(libcrypt-a-y) $(libcrypt-so-y) $(libutil-a-y) $(libutil-so-y) \
+ $(libnsl-a-y) $(libnsl-so-y) $(ldso-y) $(libdl-a-y) $(libdl-so-y) \
+ $(libubacktrace-a-y) $(libubacktrace-so-y)
+.depends.dep := \
+ $(patsubst %.s,%.s.dep,$(filter %.s,$(files.dep))) \
+ $(patsubst %.o,%.o.dep,$(filter %.o,$(files.dep))) \
+ $(patsubst %.os,%.os.dep,$(filter %.os,$(files.dep))) \
+ $(patsubst %.oS,%.oS.dep,$(filter %.oS,$(files.dep)))
+# Oh, and prepend a dot to the basename so i don't have to change my habit of
+# calling 'size thefile.o*'
+.depends.dep := $(foreach f,$(.depends.dep),$(dir $(f)).$(notdir $(f)))
+.depends.dep := $(wildcard $(.depends.dep))
+
+FORCE:
+
clean: objclean-y headers_clean-y
+realclean: clean menuconfig-clean-y
+ $(Q)$(RM) $(.depends.dep)
objclean-y: $(objclean-y)
headers_clean-y: $(headers_clean-y)
-.PHONY: \
- all check clean distclean test \
- config dist menuconfig oldconfig release \
- subdirs utils
+ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
+ifneq ($(strip $(.depends.dep)),)
+.NOEXPORT:
+-include $(.depends.dep)
+endif
+endif
+
+# vi: ft=make :
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